30230708257 has 4 divisors (see below), whose sum is σ = 30360454020. Its totient is φ = 30100962496.

The previous prime is 30230708251. The next prime is 30230708279. The reversal of 30230708257 is 75280703203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7691991616 + 22538716641 = 87704^2 + 150129^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230708257 - 2⁷ = 30230708129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230708251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64872532 + ... + 64872997.

It is an arithmetic number, because the mean of its divisors is an integer number (7590113505).

Almost surely, 2^30230708257 is an apocalyptic number.

It is an amenable number.

30230708257 is a deficient number, since it is larger than the sum of its proper divisors (129745763).

30230708257 is a wasteful number, since it uses less digits than its factorization.

30230708257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129745762.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 30230708257 in words is "thirty billion, two hundred thirty million, seven hundred eight thousand, two hundred fifty-seven".